CN108075333A - A kind of coil connector for dynamoelectric - Google Patents

Abstract

The present invention relates to the technical field of charging coils, and provides a coil connector, including a male seat, a female seat, and a wire group. The wire group includes N wires numbered sequentially from 1 to N, and N is a natural number greater than or equal to 2; The end of the wire connected to the male seat is sequentially numbered 1, 2, ..., N; the end of the wire connected to the female seat is sequentially numbered 1', 2', ..., N'; the number is (N‑ One end of the wire numbered 1)' is connected to one end of the wire numbered N; one end of the wire numbered N' and one end of the wire numbered 1 are respectively connected to the output end and the input end of the charging circuit. When the existing multi-core insulated cable is used to make the coil connector, the multiple wires inside the cable can follow the above numbering rules, and complete the dislocation butt joint through the male seat and the female seat. Multiple wires are connected to form a resonant coil with wireless charging function, which has low cost, high stability, insulation, and reliable voltage resistance.

Description

A coil connector

technical field

The invention belongs to the technical field of charging coils, and in particular relates to a coil connector.

Background technique

China's prior patent application publication number is "CN201010576854", titled "Coil Manufacturing Method", which discloses: winding an enameled wire on a flexible columnar object to form a coil carried on the columnar object; bending the columnar object wound with the enameled wire; curing or gluing the enameled wire wound on the columnar object to maintain the shape of the coil after bending; and detaching the columnar object from the coil to form a Hollow coil.

China's prior patent document application publication number is CN201310514205, and the name is "a method of manufacturing a coil". The order is staggered and neatly arranged.

It can be seen from the above-mentioned prior Chinese public documents that the existing high-power wireless charging coils are usually wound by a single wire, and its remarkable feature is that the wire has only one starting point and one end point from beginning to end, and the two ends of the wire are usually welded or snapped. It is connected with the matching circuit of the charging control board to form a coupled resonant system to supply power to the required equipment or battery. Of course, there are also ways to make by stamping, wire cutting, etc., or by PCB (printed circuit board) or FPC (flexible circuit board) technology, but the disadvantages of existing wireless charging coils: using winding, Stamping, wire cutting and other methods have low insulation and withstand voltage levels, and are not suitable for high-power wireless charging. However, PCB or FPC processes are expensive and long-term.

Contents of the invention

The purpose of the present invention is to provide a coil connector, aiming at solving the existing problems of wireless charging coil insulation, low withstand voltage level, high cost and long cycle.

In order to solve the above technical problems, the present invention provides a coil connector, including a male seat, a female seat docked with the male seat and a wire group, the wire group includes N wires numbered sequentially from 1 to N, and N is A natural number greater than or equal to 2, one end of each of the wires is connected to the male seat, and the other end of each of the wires is connected to the female seat; one end of the wires connected to the male seat is sequentially The numbers are 1, 2, ..., N; the ends of the wires connected to the female base are sequentially numbered 1', 2', ..., N'; the ends of the wires numbered 1' are numbered One end of the wire numbered 2 is butted, one end of the wire numbered 2' is connected to one end of the wire numbered 3, and so on, and one end of the wire numbered (N-1)' is connected to one end of the wire numbered N; 'One end of the wire and one end of the wire numbered 1 are respectively connected to the output end and the input end of the charging circuit.

Further, one end of the wire numbered 1 is connected to the first male terminal inserted on the male seat, and the male seat is provided with a hole for exposing the first male terminal so that the first male terminal can be connected with the first male terminal. In the first open slot connected to the input end of the charging circuit, one end of the wire numbered 2, ..., N is connected to the second male terminal inserted on the male seat; one end of the wire numbered N' is connected to the plug The first female terminal provided on the female base, one end of the wire numbered 1', 2', ..., (N-1)' is connected to the second female terminal inserted on the female base, The female base is provided with a second open slot for exposing the first female terminal to facilitate the connection between the first female terminal and the output end of the charging circuit.

Further, the first male terminal includes a connecting portion connected to one end of the wire and a first bending portion bent and extended from the connecting portion.

Further, the second male terminal includes a second bent portion connected to one end of the wire, and an inserting portion connected to the second bent portion and used for butt joint with the second female terminal.

Further, the second bending part is provided with a buckle for snapping with the male seat.

Further, the second female terminal is a sleeve, one end of the sleeve is connected to the wire, and the other end of the sleeve is inserted into the second male terminal.

Further, a positioning block is provided on the mating surface of the female seat and the male seat, and a positioning groove that cooperates with the positioning block is provided on the male seat.

Further, a positioning boss is formed on the butt surface of the female seat and the male seat, the positioning block is arranged on the positioning boss, and a side wall of the first opening groove is opened for supplying In the notch overlapped by the positioning boss, the positioning groove is provided on the other side wall of the first opening groove.

Further, the female seat is provided with a positioning protrusion, and the male seat is provided with a buckling portion that is buckled with the positioning protrusion.

Further, the male seat includes a columnar male part for the wire and the second male terminal to pass through and a butt male part connected to the columnar male part, and the first opening groove is provided on the On the butt male part, the female seat includes a columnar female part for passing the wire and the second female terminal and a butt female part connected with the columnar female part, and the second opening groove is arranged on on the docking female part.

The beneficial effect of the coil connector provided by the present invention:

Since the above-mentioned coil connector adopts a male seat, a female seat and a wire group, the wire group includes N wires numbered sequentially from 1 to N, where N is a natural number greater than or equal to 2, and one end of each wire is connected to the male seat, The other end is connected to the female seat. Specifically, the end connecting the wire to the male seat is numbered 1, 2, ..., N in sequence; the end connecting the wire to the female seat is numbered 1', 2', ..., N'; and, make one end of the wire numbered 1' dock with one end of the wire numbered 2, one end of the wire numbered 2' connect with one end of the wire numbered 3, and so on, numbered (N -1)', one end of the wire is connected to one end of the wire numbered N, one end of the wire numbered N' and one end of the wire numbered 1 are respectively connected to the output end and the input end of the charging circuit, so that it realizes the Multiple conductors are connected end to end in sequence, and only one input terminal and output terminal are reserved. When using the existing multi-core insulated cable to make the above-mentioned coil connector, the multiple conductors inside the multi-core insulated cable can follow the above numbering rules, And through the male seat and the female seat to complete the dislocation docking, it connects multiple wires into a resonant coil with wireless charging function without changing the order of the internal wires of the multi-core insulated cable. It has a simple structure, low cost, and stability. High, insulation, and reliable voltage resistance; especially when large-area wiring is required, the existing multi-core insulated cable can be directly used to produce a wireless charging coil that meets the requirements, which is unmatched by the existing manufacturing process.

Description of drawings

Fig. 1 is a schematic structural diagram of a coil connector provided by an embodiment of the present invention;

Fig. 2 is a schematic structural view of the second male terminal and the second female terminal of the coil connector provided by the embodiment of the present invention;

Fig. 3 is a cross-sectional view of the male seat of the coil connector provided by the embodiment of the present invention;

Fig. 4 is a schematic structural view of the male seat of the coil connector provided by the embodiment of the present invention;

Fig. 5 is a schematic structural diagram of a female seat of a coil connector provided by an embodiment of the present invention;

Fig. 6 is another schematic structural view of the female seat of the coil connector provided by the embodiment of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

As shown in Figures 1 to 6, they are preferred embodiments provided by the present invention.

It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It should also be noted that the orientation terms such as left, right, up, and down in this embodiment are only relative concepts or refer to the normal use state of the product, and should not be regarded as limiting.

As shown in Figure 1, the coil connector 10 provided by this embodiment includes a male seat 11, a female seat 12 docked with the male seat 11, and a wire group 13, and the wire group 13 includes N wires numbered sequentially from 1 to N 131, N is a natural number greater than or equal to 2, one end of each wire 131 is connected to the male seat 11, and the other end is connected to the female seat 12; the end of the wire 131 connected to the male seat 11 is sequentially numbered as 1, 2, ... , N; one end of the wire 131 connected to the female seat 12 is sequentially numbered as 1', 2', ..., N'; one end of the wire 131 numbered 1' is connected to one end of the wire 131 numbered 2, and the number is One end of the wire 131 numbered 2' is connected to one end of the wire 131 numbered 3, and so on, one end of the wire 131 numbered (N-1)' is connected to one end of the wire 131 numbered N; the wire 131 numbered N' One end of and one end of the wire 131 numbered 1 are respectively connected to the output end and the input end of the charging circuit.

As shown in Figure 1, since the above-mentioned coil connector 10 adopts a male seat 11, a female seat 12 and a wire group 13, its wire group 13 includes N wires 131 numbered sequentially from 1 to N, where N is greater than or equal to 2 A natural number, and one end of each wire 131 is connected to the male seat 11, and the other end is connected to the female seat 12. Specifically, the end connecting the wire 131 to the male seat 11 is numbered 1, 2, ..., N in sequence; One end of the wire 131 connected to the female seat 12 is numbered 1', 2', ..., N' in sequence; and, one end of the wire 131 numbered 1' is connected to one end of the wire 131 numbered 2, and the number is 2 One end of the wire 131 numbered 3 is docked with one end of the wire 131 numbered 3, and so on. One end and one end of the wire 131 numbered 1 are respectively connected to the output end and the input end of the charging circuit. In this way, a plurality of wires 131 are connected end to end in sequence, and only one input end and output end are reserved. When a multi-core insulated cable is used to make the above-mentioned coil connector 10, the multiple wires 131 inside the multi-core insulated cable can follow the above-mentioned numbering rules, and complete the dislocation butt joint through the male seat 11 and the female seat 12, which does not change the multi-core insulation. Under the condition of the order of the internal conductors 131 of the cable, multiple conductors 131 are connected into a resonant coil with wireless charging function, which has a simple structure, low cost, high stability, insulation, and reliable voltage resistance; especially when large-area wiring is required , can directly use the existing multi-core insulated cable to produce a wireless charging coil that meets the requirements, which is unmatched by the existing manufacturing process.

It should be noted that since the technology of the multi-core insulated cable is very mature, the number of the inner wires 131 is controllable, and the relative positions are arranged compactly and regularly, which is very suitable for mass production. We only need to use the above-mentioned coil connector 10 to produce High-power, large-area wireless charging coil, the wireless charging coil produced by the technology has low cost, high stability, insulation, and reliable voltage resistance. It is very practical especially in the production of high-power wireless charging coils such as automobiles.

It should be noted that the natural number N is used to number and identify the two ends of the wire 131. Of course, the two ends of the wire 131 can also be numbered and identified by color, such as: marking one end of the wire 131 as red, green, blue, yellow, Purple..., and the other end of the wire 131 is marked as red', green', blue', yellow', purple'....

As shown in Figure 1, Figure 2, Figure 3 and Figure 6, in order to facilitate the connection of the two ends of the wire 131 through the male seat 11 and the female seat 12, one end of the wire 131 numbered 1 is connected to the male seat 11. The first male terminal 14, the male seat 11 is provided with a first open slot 15 for exposing the first male terminal 14 so as to facilitate the connection between the first male terminal 14 and the input end of the charging circuit, numbered 2, ..., N One end of the wire 131 is connected to the second male terminal 16 inserted on the male seat 11; one end of the wire 131 numbered N' is connected to the first female terminal 19 inserted on the female seat 12, numbered 1', 2 One end of the wire 131 of ', ..., (N-1)' is connected to the second female terminal 17 inserted on the female base 12, and the female base 12 is provided with a first female terminal 19 for exposing the first female terminal 19 so that the first female Terminal 19 is connected to the second open slot 18 of the output terminal of the charging circuit. In this way, the second male terminal 16 connected to the wire 131 numbered 2 will be connected to the second female terminal 17 connected to the wire 131 numbered 1′, and the second male terminal 16 connected to the wire 131 numbered 3 will be Butt with the second female terminal 17 connected to the wire 131 numbered 2', and so on, the second male terminal 16 connected to the wire 131 numbered N will be connected to the wire 131 numbered (N-1)' The second female terminal 17 of the numbered 1 is connected to the input end of the charging circuit through the first male terminal 14 exposed in the first open slot 15, and the wire 131 numbered N' is exposed through the second The first female terminal 19 in the open slot 18 is connected to the output end of the charging circuit.

Specifically, as shown in FIGS. 1 and 3 , the first male terminal 14 includes a connection portion 141 connected to one end of the wire 131 and a first bending portion 142 formed by bending and extending the connection portion 141 . In this way, the input end of the charging circuit can be electrically connected to the first bending portion 142 exposed in the first opening slot 15 . Specifically, the connecting part 141 is sleeved on one end of the wire 131, and is fixedly connected by a screw, and the first bending part 142 is fixed in the first opening groove 15 by a screw. Of course, in other embodiments, the connecting part 141 and the second A bending portion 142 may also adopt other detachable connection methods.

What needs to be added is that the structure of the first female terminal 19 is similar to that of the first male terminal 14 , which includes a connecting portion 141 connected to one end of the wire 131 and a first bending portion 142 formed by bending and extending the connecting portion 141 . In this way, the output end of the charging circuit can be electrically connected to the first bending portion 142 exposed in the second opening slot 18 . Specifically, the connection part 141 is sleeved on one end of the wire 131, and is fixedly connected by a screw, and the first bending part 142 is fixed in the second open groove 18 by a screw. Of course, in other embodiments, the connection part 141 and the first The bent portion 142 may also adopt other detachable connection manners.

What needs to be added is that since the wires 131 wrapped inside the multi-core insulated cable are distributed in a ring shape, in order not to change the order of the inner wires 131 of the multi-core insulated cable, it is convenient to directly use the existing multi-core Insulated cables are used to produce a wireless charging coil that meets the requirements, and the insertion positions of the wires 131 at the male seat 11 and the female seat 12 are in a circular array.

As shown in Figure 1 and Figure 2, when the existing multi-core insulated cable is directly used to make the wireless charging coil, without changing the sequence of the internal wires 131 of the multi-core insulated cable, in order to facilitate the adjustment of the two ends of the wire 131 Dislocation connection, the second male terminal 16 includes a second bent portion 161 connected to one end of the wire 131 and an inserting portion 162 connected to the second bent portion 161 and used to connect with the second female terminal 17 . In this way, on the premise of not changing the structure of the cable itself, through the bending and extension of the second bending portion 161 in space, it is realized that the second male terminal 16 connected to the wire 131 numbered N will be connected to the second male terminal 16 numbered (N-1 )' to the second female terminal 17 connected to the wire 131, and so on.

It needs to be added that when the above numbering rules and dislocation connection methods are adopted, when the multi-core insulated cable used is relatively thick and the internal wire 131 is relatively hard, it can pass through the male seat 11 and the wire 131 without twisting the wire 131. After the connection of the female base 12 is completed, the multi-core insulated cable itself does not need to be specially processed, and the plurality of wires 131 can be connected according to the numbered sequence to form a resonant coil with wireless charging function.

As shown in FIG. 1 and FIG. 2 , in order to facilitate the stable connection of the second male terminal 16 on the male seat 11 , the second bending portion 161 is provided with a buckle 163 for engaging with the male seat 11 .

In order to facilitate the docking and matching between the second female terminal 17 and the second male terminal 16 , the second female terminal 17 is a sleeve, one end of which is connected to the wire 131 , and the other end is plugged into the second male terminal 16 . In this way, according to the above-mentioned numbering rule and the way of dislocation connection, the second female terminal 17 is connected with the second male terminal 16 in a one-to-one correspondence.

Specifically, in order to facilitate the stable connection of the second female terminal 17 on the female base 12 , the outer peripheral surface of the sleeve is provided with buckles 163 for clamping with the female base 12 .

As shown in Figure 1, Figure 5 and Figure 6, in order to facilitate accurate alignment and reliable connection between the male seat 11 and the female seat 12, a positioning block 121 is provided on the docking surface of the female seat 12 and the male seat 11, and a positioning block 121 is provided on the male seat 11. There is a positioning groove 111 matched with the positioning block 121 .

As shown in Figure 1, Figure 4, Figure 5 and Figure 6, in order to further ensure the reliable connection between the female seat 12 and the male seat 11, a positioning boss 122 is formed on the docking surface of the female seat 12 and the male seat 11, and the positioning The block 121 is located on the positioning boss 122, the side wall of the first opening groove 15 is provided with a gap 181 for overlapping the positioning boss 122, and the positioning groove 111 is located on the other side wall of the first opening groove 15 .

Specifically, the female base 12 is provided with a positioning protrusion 123 , and the male base 11 is provided with a buckling portion 112 that is engaged with the positioning protrusion 123 . In this way, after the female seat 12 is docked with the male seat 11 , the fastening portion 112 is engaged with the positioning protrusion 123 , which further ensures the reliable connection between the female seat 12 and the male seat 11 .

Regarding the preferred embodiment of the specific structure of the male seat 11 and the female seat 12, as shown in Figure 1, Figure 4, Figure 5 and Figure 6, the male seat 11 includes a columnar male socket for the wire 131 and the second male terminal 16 to pass through. part 113 and the docking male part 114 connected with the columnar male part 113, the first opening groove 15 is provided on the docking male part 114, and the female seat 12 includes a columnar female part 124 for passing the wire 131 and the second female terminal 17 With the mating female portion 125 connected to the columnar female portion 124 , the second opening groove 18 is provided on the mating female portion 125 .

What needs to be added is that the first male terminal 14, the second male terminal 16, the first female terminal 19 and the second female terminal 17 are all made of a metal material with good electrical conductivity; and the male seat used for positioning and supporting 11 and female seat 12 are all made of plastic material. .

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention. Inside.

Claims (10)

1. a kind of coil connector for dynamoelectric, which is characterized in that the female seat and line group docked including male seat, with the male seat, the line group Including the conducting wire that N roots are sequentially numbered from 1 to N, N is the natural number more than or equal to 2, one end of each conducting wire and the public affairs Seat connection, the other end of each conducting wire are connected with the female seat；One end that the conducting wire is connected with the male seat is by sequentially Number is 1,2 ..., N；The conducting wire and one end that the female seat is connected by sequentially number are 1 ', 2 ' ..., N '；Number is One end of 1 ' conducting wire is docked with conducting wire one end that number is 2, conducting wire one end that one end of the conducting wire of number 2 ' is 3 with number Docking, and so on, number is (N-1) ' one end of conducting wire be connected with conducting wire one end that number is N；The conducting wire that number is N ' One end and number be 1 conducting wire one end be connected respectively with the output terminal of charging circuit and input terminal.

2. coil connector for dynamoelectric as described in claim 1, which is characterized in that the conducting wire one end for being 1 including number is connected with and plugs In offering to expose first male terminal on the first male terminal in the male seat, the male seat in order to described first First open slot of the input terminal of male terminal and charging circuit connection, number 2 ..., conducting wire one end of N is respectively connected with and plugs In the second male terminal in the male seat；Conducting wire one end that number is N ' is connected with the first female end being inserted in the female seat Son, number 1 ', 2 ' ..., the conducting wire one end of (N-1) ' be respectively connected with the second female terminal being inserted in the female seat, it is described Offer to expose first female terminal in female seat in order to which the output terminal of first female terminal and charging circuit connects The second open slot.

3. coil connector for dynamoelectric as claimed in claim 2, which is characterized in that first male terminal includes and described conducting wire one end The connecting portion of connection and the first bending part extended to form by connecting portion bending.

4. coil connector for dynamoelectric as claimed in claim 2, which is characterized in that second male terminal includes and described conducting wire one end Second bending part of connection and be connected with second bending part and be used for the plug division docked with second female terminal.

5. coil connector for dynamoelectric as claimed in claim 4, which is characterized in that second bending part be equipped with for the public affairs The buckle of seat clamping.

6. such as claim 2~5 any one of them coil connector for dynamoelectric, which is characterized in that second female terminal is sleeve, institute The one end for stating sleeve is connected with conducting wire, the other end of the sleeve and the second male terminal grafting.

7. such as claim 2~5 any one of them coil connector for dynamoelectric, which is characterized in that pair of the female seat and the male seat Junction is equipped with locating piece, and the male seat is equipped with the locating slot with locating piece cooperation.

8. coil connector for dynamoelectric as claimed in claim 7, which is characterized in that the female seat on the interface of the male seat with forming There is positioning convex platform, the locating piece is arranged on the positioning convex platform, offers to supply in the one side wall of first open slot The notch of the positioning convex platform overlap joint, the locating slot are arranged on another side wall of first open slot.

9. such as claim 2~5 any one of them coil connector for dynamoelectric, which is characterized in that the female seat is equipped with positioning protrusion, The male seat is equipped with the engaging portion being interlockingly connected with the positioning protrusion.

10. such as claim 2~5 any one of them coil connector for dynamoelectric, which is characterized in that the male seat is included for described in confession The column public affairs portion that conducting wire and second male terminal are worn and the docking public affairs portion being connected with the column public affairs portion, first opening Slot is arranged in the docking public affairs portion, and the female seat includes being used for the column mother portion worn for the conducting wire and second female terminal The docking mother portion being connected with the column mother portion, second open slot are arranged in the docking mother portion.